. >> reporter: it's a high-energy dance workout with strength training. meant to give the superstar stamina for her nonstop concerts. how many days a week do you work out together? >> we work out six days a week. >> reporter: six days? >> if you want to look like that, you have to be consistent. she makes it part of her life. >> reporter: six days a week, two hours a day. cow can do it, too. nicole will take you through madonna's workouts in a video. she says anyone can do it. i'm not sure that means a couch potato like me. >> let me show you two moves. >> reporter: this is called the purpley, one of madonna's favorites. >> we're going to pop the butt back. >> reporter: i may not be joining the tour anytime soon. i'm ready to give the workout a try. here's the ins trags. i want to be madonna from the neck down. while using a chair, how she fires up the gruts and quads. already, i'm behind. this is the warmup? i'm plenty warm. after just ten minute, i'm ready to call it quits. madonna, i'm never going to be you. what keeps the pop star motivate snd who doe